diff --git a/src/BaseHtml.php b/src/BaseHtml.php
index 1bb7213..c919fb5 100644
--- a/src/BaseHtml.php
+++ b/src/BaseHtml.php
@@ -27,13 +27,6 @@ abstract class BaseHtml extends \yii\helpers\Html
      * @see getId()
      */
     public static $autoIdPrefix = 'i';
-    /**
-     * @var array list of tag attributes that should be specially handled when their values are of array type.
-     * In particular, if the value of the `data` attribute is `['name' => 'xyz', 'age' => 13]`, two attributes
-     * will be generated instead of one: `data-name="xyz" data-age="13"`.
-     * @since 2.0.3
-     */
-    public static $dataAttributes = ['data', 'data-ng', 'ng', 'aria'];
 
 
     /**